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source: University of UtahDeposits of designated critical minerals needed to transition the world's energy systems away from fossil fuels may, ironically enough, be co-located with coal deposits that have been mined to produce the fossil fuel most implicated in climate change.Now, research led by the University of Utah has documented elevated concentrations of a key subset of critical minerals, known as rare earth elements, or REEs, in active mines rimming the Uinta coal belt of Colorado and Utah. The work is published in the journal Frontiers in Earth Science.These findings open the possi...
Release time: 2024 - 05 - 22
source:Trinity College DublinIn a new study, researchers from Trinity have unveiled that myriad, intricate factors influence the genesis and chemistry of bastnäsite and rare earth carbonates, which are critically needed for today's tech industry and its hardware outputs.Their work, published in the international journal Global Challenges, unveils a newly acquired depth of understanding that had previously been unexplored in this field. In combination, the findings mark a significant advancement and promise to reshape our understanding of rare earth mineral formation.Crucially, as glob...
Release time: 2024 - 05 - 21
Study examines low-permittivity dielectric ceramics for microwave/millimeter-wave communication   sourcephys.orgMicrowave dielectric ceramics are the cornerstone of wireless communication devices, widely utilized in mobile communications, satellite radar, GPS, Bluetooth, and WLAN applications. Components made from these ceramic materials, such as filters, resonators, and dielectric antennas, are extensively used in wireless communication networks.As wireless communication frequencies extend into higher bands, signal delay issues become increasingly prominent. Low dielectric constants...
Release time: 2024 - 05 - 20
Towards novel promising perovskite-type ferroelectric materials: High-pressure synthesis of rubidium niobate   source: Shibaura Institute of TechnologyCapacitors are crucial components in electronic devices such as smartphones and computers. They are made of dielectric materials that polarize on the application of the voltage. Currently, barium titanate (BaTiO3) is the most widely used material for capacitors.Barium titanate belongs to the perovskite group of materials, where a titanium ion resides within an oxygen octahedral cage. The material exhibits displacive-type ferroelectric ...
Release time: 2024 - 05 - 17
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